Turn your binoculars into a lightweight spotting scope with the Eyepiece Doubler. For all EL and SLC models (except 8 x 30 WB), this handy eyepiece doubles the magnification of your binoculars. Easy to assemble, simply take off one of the two twist-in eyecups and screw on. Perfect for the field when you need powerful optics but don't want the added weight of a spotting scope.